Telephone system



Apnl 28, 1959 R. B. 'rROUsDALE 2,884,488

TELEPHONE SYSTEM v Original Filed July 28, 1952 35 Sheets-Sheet 1 Mun/PL EXE/P Chem/vel fubcs April 28, 1959 R. B. TRoUsDALE 2,884,488

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April 28, 1959. R. B. TRousDALE 2,884,438

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April 28, 1959 R. B. TRousDALE 2,884,4-88

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